Evidence map›Paper›PMID 32632081›Full record

ArticleCancer research and treatment2020

Intensity-Modulated Radiotherapy-Based Reirradiation for Head and Neck Cancer: A Multi-institutional Study by Korean Radiation Oncology Group (KROG 1707).

Jeongshim Lee, Tae Hyung Kim, Yeon-Sil Kim, Myungsoo Kim, Jae Won Park, Sung Hyun Kim, Hyun Ju Kim, Chang Geol Lee

Open access · diamondAbstract readMulticenter Study
In one paragraph

Article in Cancer research and treatment, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
2.4field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Guideline
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  3. Tightening the gradient: ten years of dosimetric refinement in head and neck reirradiation.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 7 institutions in 1 country.

Jeongshim LeeDepartment of Radiation Oncology, Inha University Hospital, Inha University College of Medicine, Incheon, Korea.
Tae Hyung KimDepartment of Radiation Oncology, Yonsei University College of Medicine, Seoul, Korea.
Yeon-Sil KimDepartment of Radiation Oncology, St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Myungsoo KimDepartment of Radiation Oncology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Jae Won ParkDepartment of Radiation Oncology, Yeungnam University Medical Center, Yeungnam University College of Medicine, Daegu, Korea.
Sung Hyun KimDepartment of Radiation Oncology, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea.
Hyun Ju KimDepartment of Radiation Oncology, Gachon University Gil Medical Center, Incheon, Korea.
Chang Geol LeeDepartment of Radiation Oncology, Yonsei University College of Medicine, Seoul, Korea.
Yonsei University · KRCatholic University of Korea · KRGachon University Gil Medical Center · KRInha University Hospital · KRThe Catholic University of Korea Incheon St. Mary's Hospital · KRWonju Severance Christian Hospital · KRYeungnam University College

Funding

National Research Foundation of Korea NRF-2014R1- A5A2009392
6 · The paper itself

Abstract

purposeThe benefits of reirradiation for head and neck cancer (HNC) have not been determined. This study evaluated the efficacy of reirradiation using intensity-modulated radiotherapy (IMRT) for recurrent or second primary HNC (RSPHNC) and identified subgroups for whom reirradiation for RSPHNC is beneficial. MATERIALS AND

methodsA total of 118 patients from seven Korean institutions with RSPHNC who underwent IMRT-based reirradiation between 2006 and 2015 were evaluated through retrospective review of medical records. We assessed overall survival (OS) and local control (LC) within the radiotherapy (RT) field following IMRT-based reirradiation. Additionally, the OS curve according to the recursive partitioning analysis (RPA) suggested by the Multi-Institution Reirradiation (MIRI) Collaborative was determined.

resultsAt a median follow-up period of 18.5 months, OS at 2 years was 43.1%. In multivariate analysis, primary subsite, recurrent tumor size, interval between RT courses, and salvage surgery were associated with OS. With regard to the MIRI RPA model, the class I subgroup had a significantly higher OS than class II or III subgroups. LC at 2 years was 53.5%. Multivariate analyses revealed that both intervals between RT courses and salvage surgery were prognostic factors affecting LC. Grade 3 or more toxicity and grade 5 toxicity rates were 8.5% and 0.8%, respectively.

conclusionIMRT-based reirradiation was an effective therapeutic option for patients with RSPHNC, especially those with resectable tumors and a long interval between RT courses. Further, our patients' population validated the MIRI RPA classification by showing the difference of OS according to MIRI RPA class.

Indexed as

AdultAgedAged, 80 and overChemoradiotherapy, AdjuvantDose Fractionation, RadiationFemaleFollow-Up StudiesHead and Neck NeoplasmsHumansKaplan-Meier EstimateMaleMiddle AgedNeoplasm Recurrence, LocalNeoplasms, Second PrimaryPrognosisRadiotherapy, Intensity-ModulatedHead and neck neoplasmIntensity modulated radiotherapyRecurrenceReirradiation

Identifiers

PMID32632081
PMCPMC7577818
OpenAlexW3039132847

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.